National Weather Service Forecast for: Weymouth MA
Issued by: National Weather Service Norton, MA
Updated: 3:27 pm EDT Jul 28, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 65. Southeast wind 6 to 8 mph.
Mostly Cloudy

 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 77. Southeast wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
Showers then
Heavy Rain
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. Northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain

 Thursday

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 73. North wind 11 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Thursday
Night
Thursday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 61. North wind 7 to 9 mph. Chance of precipitation is 60%.
Showers
Likely then
Chance
Showers
 Friday

Friday: Mostly sunny, with a high near 78. Northeast wind around 8 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 62. Calm wind.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 65. Southwest wind around 6 mph.
Partly Cloudy
Lo 65 °F Hi 77 °F Lo 62 °F Hi 73 °F Lo 61 °F Hi 78 °F Lo 62 °F Hi 83 °F Lo 65 °F

 

Tonight
 
 Mostly cloudy, with a low around 65. Southeast wind 6 to 8 mph.
Wednesday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 77. Southeast wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. Northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 73. North wind 11 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
 Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 61. North wind 7 to 9 mph. Chance of precipitation is 60%.
Friday
 
 Mostly sunny, with a high near 78. Northeast wind around 8 mph.
Friday Night
 
 Mostly clear, with a low around 62. Calm wind.
Saturday
 
 Sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 65. Southwest wind around 6 mph.
Sunday
 
 Partly sunny, with a high near 85. South wind 5 to 10 mph.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 67. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
 
 A chance of showers. Partly sunny, with a high near 83. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
 
 A chance of showers. Mostly cloudy, with a low around 65. West wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
 
 Mostly sunny, with a high near 83. Northeast wind around 7 mph.

 

Forecast from NOAA-NWS for Weymouth MA.